[AngelicaDeAlquezar]

Some suggestions for improvement:

Originally Posted by MorshmollowMM

Si fuera director cambía (Check your conjugation, this is not Spanish) las reglas porque un poco de (This formula is only used when you have a singular noun like "un poco de agua" or "un poco de sal".), las reglas son estupido y (*) irritante (Gender and number agreement needed). También, mejoría mi instituto para *** (You need a verb in infinitive here so your sentence won't sound fragmentary) un ambiente mejor.

(*) For reasons of euphony, "y" must be changed to "e" when the next word starts with the sound "i".
- We don't say "agujas y hilos", but "agujas e hilos".
- We don't say "lagartijas y iguanas", but "lagartijas e iguanas".